1810721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 2187648

約数和(自身を除く): 376927

約数列:

[1, 11, 17, 23, 187, 253, 391, 421, 4301, 4631, 7157, 9683, 78727, 106513, 164611, 1810721]

約数ペア:

[(1, 1810721), (11, 164611), (17, 106513), (23, 78727), (187, 9683), (253, 7157), (391, 4631), (421, 4301)]